package com.hitnet.hitnet.pic;

import java.util.LinkedList;
import java.util.List;

import android.app.Activity;
import android.app.Application;

public class ExitApplication extends Application {  
	  
    private List<Activity> activityList = new LinkedList<Activity>();  
    private static ExitApplication instance;  
  
    private ExitApplication() {  
          
    }  
  
    // exit photo-choosing interface
    public static ExitApplication getInstance() {  
        if (null == instance) {  
            instance = new ExitApplication();  
        }  
        return instance;  
  
    }  
  
    //
    public void addActivity(Activity activity) {  
        activityList.add(activity);  
    }  
  
    // exit photo selection interface
  
    public void exit() {  
  
        for (Activity activity : activityList) {  
            activity.finish();  
        }  
  
        //System.exit(0);  
  
    }  
}  
